diff --git a/.dotnet.metadata b/.dotnet.metadata
index 380a074..60a0bb2 100644
--- a/.dotnet.metadata
+++ b/.dotnet.metadata
@@ -1 +1 @@
-8f8fde2b984696ca83d7f545e058f02fd3fb5279 SOURCES/dotnet-v2.1.516-SDK.tar.gz
+4108227180e7ecd02360e22dd6d435c7066c397e SOURCES/dotnet-v2.1.517-SDK.tar.gz
diff --git a/.gitignore b/.gitignore
index 52dbda3..6509092 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/dotnet-v2.1.516-SDK.tar.gz
+SOURCES/dotnet-v2.1.517-SDK.tar.gz
diff --git a/SPECS/dotnet.spec b/SPECS/dotnet.spec
index 6f66979..c51c594 100644
--- a/SPECS/dotnet.spec
+++ b/SPECS/dotnet.spec
@@ -28,9 +28,9 @@
 
 %global simple_name dotnet
 
-%global host_version 2.1.20
-%global runtime_version 2.1.20
-%global sdk_version 2.1.516
+%global host_version 2.1.21
+%global runtime_version 2.1.21
+%global sdk_version 2.1.517
 
 Name:           dotnet
 Version:        %{sdk_version}
@@ -322,6 +322,10 @@ rm %{buildroot}%{_libdir}/%{simple_name}/dotnet
 %{_libdir}/%{simple_name}/sdk/%{sdk_version}
 
 %changelog
+* Tue Aug 04 2020 Omair Majid <omajid@redhat.com> - 2.1.517-1
+- Update to .NET Core SDK 2.1.517 and Runtime 2.1.21
+- Resolves: RHBZ#1866122
+
 * Mon Jun 29 2020 Omair Majid <omajid@redhat.com> - 2.1.516-1
 - Update to .NET Core SDK 2.1.516 and Runtime 2.1.20
 - Resolves: RHBZ#1851983